12 Questions 22 Answers 0 Followers
Questions related from Sudheesh N
How can we find the % of gold in a vessel with out damaging the item? Also how can we extract the metals like Ag or Au from its alloys?
12 December 2015 7,900 9 View
Do you have a detail procedure? When I tried the same I obtained a black sticky solution?
03 March 2015 9,021 6 View
I have to do ketone reduction to alcohol with NaBH4. After this the alcohol obtained is to be reacted with ethyl bromide and NaH. Is it necessary to remove excess NaBH4 and neutralize before going...
05 May 2014 7,323 5 View
What is the best method for isolating high purity eucalyptol from eucalyptus oil? Please provide references, if any. I have heard of distillation with cresols; is it worth it to get purity and...
03 March 2014 2,481 5 View
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02 February 2014 3,540 9 View
Other than parsley leaf oil.
01 January 2014 4,042 5 View
How we can remove a titanium catalyst after esterification reaction? Adding water gave a white gel of titanium hydroxide which is very difficult to remove. Is there any way to remove this ppt? Or...
12 December 2013 3,160 11 View
How can the chemical structure (in the attached document) be synthesized?
09 September 2013 8,963 2 View
Is there any method available other than bisulphite adduct route for quantitative extraction of citral from lemon grass oil? Bisulphite adduct route gives low yield on regeneration of citral.
09 September 2013 9,225 2 View
What is the simplest experimental condition and setup to conduct esterification of 3-heptenol with benzoic acid? How we can attain high conversion and selectivity?
08 August 2013 1,612 14 View
I could do the extraction with hot water and acidifying it with H2SO4 to yield a dark brown precipitate. I am confused with how to make it mono ammonium salt? also how to get the white MAG
06 June 2013 3,658 2 View
What is the use of reflux divider and how it works in distillation? How we can adjust the reflux ratio in a manualy operated fractional distillation?
06 June 2013 3,874 5 View
